-Mohit kuri (20161141)
-First run the command *make* in the project directory.
-The run *./run* to run the shell and start interacting with it.
- All the basic tasks given have been implemented.
- SemiColon separated commands accepted, but while using this, you have to give spaces between commands and semi-colons.
- Piping and redirections have been implemented.
- Modularity : All the different commands' functions have been defined in different files.
- One single header file run.h containing all the global variables.
- We have defined a Makefile that has all the operations of compiling all the files.
- Ctrl-C cannot exit the shell.
- Ctrl-C will close a running process.
- quit command for quitting the shell.
- No exec command is used.